[42878] in North American Network Operators' Group
Re: Data Center AC Issues
daemon@ATHENA.MIT.EDU (Jason A. Mills)
Tue Sep 25 01:09:25 2001
Date: Mon, 24 Sep 2001 22:08:42 -0700 (PDT)
From: "Jason A. Mills" <phyxis@rottweiler.org>
To: Joel Jaeggli <joelja@darkwing.uoregon.edu>
Cc: <ainman@umich.edu>, <nanog@merit.edu>
In-Reply-To: <Pine.LNX.4.33.0109241936010.13584-100000@twin.uoregon.edu>
Message-ID: <20010924220710.F29968-100000@shell3.ba.best.com>
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Also check out http://www.iButton.com/ -> Thermochron.
I've used them on and off for wine-cellar monitoring. Temp only, but can
do alarm based logging, histograms, etc.
Apologies for the long quote, I'm trying to preserve context.
-J
On Mon, 24 Sep 2001, Joel Jaeggli wrote:
>
> my general approach has been to deploy relativly inexpensive
> temperature/humidity logging devices in places where we have "issues", and
> have our hvac folks rebalance some of our ac in that direction... in some
> cases moving hardware within racks, removing obstructions under our raised
> floors adding exhaust fan to racks has all helped with spot tempurature
> issuee...
>
> I can't really recomend a contracter, but I can recomend a temperature
> /humidity probe which might be a set in terms of establishing where the
> problem areass are...
>
> http://www.picotech.com/humidity.html
>
> connects to a serial port has linux and windows drivers requires no
> external power, costs $215. I either connect it to a convenient machine or
> hang it off a laptop and place it in the location I am concerned about.
>
> picotech also sells 8 channel thermocouple loggers which I haven't played
> with...
>
> regards
> joelja
>
> On Mon, 24 Sep 2001 ainman@umich.edu wrote:
>
> >
> >
> > Can anyone recommend an expert Troubleshooting/Design firm that has
> > extensive experience with Data Center specifici AC issues?
> >
> > We have a strange problem (probably with the airflow/vents/arrangements) which
> > has machines in various locations dying due to heat, when the ambient temp
> > isn't above 90.
> >
> > I've tried to find folks to deal with this and I get:
> >
> > a) Sales Rep's who want me to upgrade the entire system
> > b) Folks who don't have Data Center experience but are willing to try
> > c) Folks who claim to have experience but who either won't give ma
> > references or who's reference don't say nice things about them
> >
> > I got a line on two places in California (we're in Michigan) as was desperate
> > enough to call them but both seem to be out of business.
> >
> > Thanks in advance for any advice and/or recommendations.
> >
> > -- Andrew
>
> Joel Jaeggli joelja@darkwing.uoregon.edu
Jason A. Mills phyxis@rottweiler.org
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